package com.wf.day_0602.likou;

import java.util.ArrayList;
import java.util.Random;
import java.util.stream.DoubleStream;
import java.util.stream.Stream;

/**
 * @author mpk
 * @since 2024/6/2 16:04:10
 */
public class Demo {
    public static void main(String[] args) {


        DoubleStream.Builder builder = DoubleStream.builder();


        ArrayList<Double> doubles = new ArrayList<>();

        Stream<Double> stream = doubles.stream();

        Random random = new Random();


        String s= new String("aa");

        add(s);
        System.out.println(s);

    }


    public static void  add(String a)


    {

        a=" ddddd";

    }



}
